Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects Secondhand Vape Plumes Could Form Lung damaging Radicals Secondhand Vape Exposure: Effects, Who's at Risk, and More Despite widespread smoke free policies in California, rates of recent exposure to secondhand tobacco smoke, vape aerosol, and cannabis smoke among adults aged 1864 have been slowly increasing since 2020, with vape exposure Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign.